@article{heng2007optical,
  title={An optical tweezer actuated, nanoaperture-grid based Optofluidic Microscope implementation method},
  author={Heng, X. and Hsiao, E. and Psaltis, D. and Yang, C.},
  journal={Optics Express},
  volume={15},
  number={25},
  pages={16367--16375},
  year={2007}
}